Revert of When we switch tabs in chrome, the tab being switched away from gets hidden/shown/hidden.

ui/views/controls/webview/webview.cc

Index: ui/views/controls/webview/webview.cc
diff --git a/ui/views/controls/webview/webview.cc b/ui/views/controls/webview/webview.cc
index e7885005272b60c12fd514ee434102bb64d7c9ba..3e07f6f42322810d6eeceb809167c672b579d282 100644
--- a/ui/views/controls/webview/webview.cc
+++ b/ui/views/controls/webview/webview.cc
@@ -13,7 +13,6 @@
 #include "ipc/ipc_message.h"
 #include "ui/accessibility/ax_enums.h"
 #include "ui/accessibility/ax_view_state.h"
-#include "ui/aura/window.h"
 #include "ui/base/ui_base_switches_util.h"
 #include "ui/events/event.h"
 #include "ui/views/accessibility/native_view_accessibility.h"
@@ -302,12 +301,6 @@
   OnBoundsChanged(bounds());
   if (holder_->native_view() == view_to_attach)
     return;
-
-  // Fullscreen widgets are not parented by a WebContentsView. Their visibility
-  // is controlled by content i.e. (RenderWidgetHost)
-  if (!is_embedding_fullscreen_widget_)
-    view_to_attach->Show();
-
   holder_->Attach(view_to_attach);
 
   // The view will not be focused automatically when it is attached, so we need
@@ -327,11 +320,6 @@
 
 void WebView::DetachWebContents() {
   if (web_contents()) {
-    // Fullscreen widgets are not parented by a WebContentsView. Their
-    // visibility is controlled by content i.e. (RenderWidgetHost).
-    if (!is_embedding_fullscreen_widget_)
-      web_contents()->GetNativeView()->Hide();
-
     holder_->Detach();
 #if defined(OS_WIN)
     if (!is_embedding_fullscreen_widget_)